18135172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 34729632

約数和(自身を除く): 16594460

約数列:

[1, 2, 4, 11, 22, 44, 641, 643, 1282, 1286, 2564, 2572, 7051, 7073, 14102, 14146, 28204, 28292, 412163, 824326, 1648652, 4533793, 9067586, 18135172]

約数ペア:

[(1, 18135172), (2, 9067586), (4, 4533793), (11, 1648652), (22, 824326), (44, 412163), (641, 28292), (643, 28204), (1282, 14146), (1286, 14102), (2564, 7073), (2572, 7051)]